jfraj/kaggle_titanic — pull request #1 by rousseab (2014-11-11 23:47:12+00:00)
Title: Modified cleaning code to remove NA from Embarked

The orginal code threw warnings as we tried replacing NA by the mode on a panda copy.
The code has now been modified to avoid this warning, following a trick on
stack overflow:
http://stackoverflow.com/questions/20625582/how-to-deal-with-this-pandas-warning